Immersion heater stand



FIG. 1 is a perspective view of a immersion heater stand showing my ornamental design;

FIG. 2 is a top view of the immersion heater stand embodiment shown in FIG. 1;

FIG. 3 is a bottom view of the immerison heater stand embodiment shown in FIG. 1;

FIG. 4 is a bottom perspective view of the immersion heater stand embodiment shown in FIG. 1;

FIG. 5 is a left side view of the immersion heater stand embodiment shown in FIG. 1;

FIG. 6 is a right side view of the immersion heater stand embodiment shown in FIG. 1; and,

FIG. 7 is a front view of the immersion heater stand embodiment shown in FIG. 1. 

The ornamental design for an immersion heater stand, as shown and described. 